body {
    margin: 0;
    padding: 0;
    font-family: "microsoft yahei";
    font-size: 14px;
    min-width: 1100px;
    background: #ffffff;
}

html {
    font-size: 62.5%;
}

* {
    z-index: 0;
    text-decoration: none;
}


/* 导航栏  */

header {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0;
    padding: 0;
}

.a1a {
    height: 279px;
}

nav {
    margin: 0 auto;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgb(198, 27, 18);
    height: 4rem;
    width: 98rem;
}

nav ul {
    list-style: none;
    display: flex;
    margin: 0;
    padding: 0;
    justify-content: center;
    align-items: center;
}

.bian {
    color: white;
}

.sub-menu {
    display: none;
    background-color: rgb(239, 108, 101);
    margin: 0;
    padding: 0;
}


/* 25em */

nav ul li {
    padding: 0;
    margin: 0;
    width: 13rem;
    height: 4rem;
}

nav ul li h3 {
    margin: 0 auto;
    padding: 0;
    height: 4rem;
    color: white;
    font-weight: 400;
    line-height: 40px;
}

.lie1:hover {
    background-color: rgb(138, 30, 24);
}

.lie1 {
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}

.lie1:hover .sub-menu {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.sub-menu>li {
    height: 28px;
    display: flex;
    align-content: center;
    justify-content: center;
    color: white;
}

.sub-menu>li:hover {
    background-color: rgb(138, 30, 24);
}

main {
    width: 120rem;
    height: 74rem;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    align-items: center;
}

.tonggaogongzhi {
    background-color: rgb(174, 12, 1);
    color: white;
    border-radius: 5px;
    font-weight: 300;
}

.xiangdui {
    position: absolute;
    left: 50px;
    bottom: 180px;
    height: 30px;
}

.se1 {
    width: 26.4rem;
    position: relative;
}

.se2 a {
    border-bottom: 1px solid gray;
}

.se3 a {
    border-bottom: 1px solid gray;
}

.sou1 {
    width: 26.3rem;
    height: 7.9rem;
}

.sou2 {
    width: 26.3rem;
    height: 7.9rem;
}

.wei1 {
    width: 15.8rem;
    height: 15.8rem;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    align-items: center;
}

.saoyisao {
    margin: 0 auto;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 0.95rem;
    color: blue;
}

.gongao1 {
    width: 25rem;
    height: 28rem;
    overflow: hidden;
    color: #004276;
}

.se2 {
    width: 45.6rem;
    margin-left: 2rem;
}

.se2_detou {
    width: 43rem;
    display: flex;
    justify-content: space-around;
    align-items: center;
    background-color: rgb(174, 12, 1);
    border-radius: 5px;
    height: 18px;
}

.se2_detou>h4 {
    color: white;
    font-weight: 300;
}

.a2a {
    display: flex;
    flex-basis: auto;
    height: 18px;
    background-image: url("../vscode/images/huang3.jpg");
}

article a {
    font-size: 1.3rem;
}

.a3a {
    display: flex;
    flex-basis: auto;
    height: 18px;
    background-image: url("../vscode/images/huang3.jpg");
}

.se3 {
    width: 23.8rem;
    margin-top: 3rem;
    margin-left: 1rem;
}

.se3_detou {
    display: flex;
    justify-content: space-around;
    align-items: center;
    background-color: rgb(174, 12, 1);
    border-radius: 5px;
    height: 18px;
}

.se3_detou>h4 {
    color: white;
    font-weight: 300;
}

.foot {
    margin-top: 3rem;
    margin-bottom: 5rem;
}

.foot>address {
    width: 98.1rem;
    height: 3.1rem;
    background-color: rgb(180, 7, 1);
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
}

.foot>p {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: rgb(0, 66, 118);
    font-size: 0.85rem;
}